From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Wed, 29 Aug 2012 05:17:15 +0000 (-0700)
Subject: rcuja: allow non-power of 2 keys
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=1216b3d282b4b3cb4a515dee30997fd2dc078776;p=userspace-rcu.git

rcuja: allow non-power of 2 keys

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/rcuja/rcuja.c b/rcuja/rcuja.c
index 407c101..db5072a 100644
--- a/rcuja/rcuja.c
+++ b/rcuja/rcuja.c
@@ -1422,13 +1422,13 @@ struct cds_ja *_cds_ja_new(unsigned int key_bits,
 
 	switch (key_bits) {
 	case 8:
-		ja->key_max = UINT8_MAX;
-		break;
 	case 16:
-		ja->key_max = UINT16_MAX;
-		break;
+	case 24:
 	case 32:
-		ja->key_max = UINT32_MAX;
+	case 40:
+	case 48:
+	case 56:
+		ja->key_max = (1ULL << key_bits) - 1;
 		break;
 	case 64:
 		ja->key_max = UINT64_MAX;